Which of the following is true of triangular trade.
a. all ships leaving from the colonies made the entire triangular voyage.
b. the route from england to west africa involved the exchange of european materials and goods for african slaves to be sold in the americas.
c. triangular trade refers to the trade relationships between europe, west africa, and india.
d. the route from the west indies and the british north american colonies to england is also known as the middle voyage.